Vaccinations can produce a lasting effect known as trained immunity, altering the behavior of the innate immune system and resulting in both a reduction in the chronic inflammation of aging and a more effective immune response to unrelated infectious agents. Arguably the largest body of research into trained immunity involves the BCG vaccine for tuberculosis,...

Vaccinations can produce a lasting effect known as trained immunity, altering the behavior of the innate immune system and resulting in both a reduction in the chronic…

A study links the TB vaccine BCG to lower Alzheimer's risk by remodeling immune responses, suggesting potential brain health benefits.